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16 MET ONE Leader in Airborne Particle Counting Meets ISO Calibration Standard Designed to fully comply with ISO calibration standard for data accuracy and consistency between counters “ The purpose of ISO is to provide a calibration procedure and verification method for particle counters, so as to minimize the inaccuracy in the measurement result by a counter, as well as the differences in the results measured by different instruments”

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17 MET ONE Leader in Airborne Particle Counting Air Particle Counter Calibration ISO and ISO the link to GMP Regulators inspect to EU GMP, which calls up ISO14644 Next revision ISO14644 will refer to ISO ISO states – “Instruments that conform to this part of ISO are used for the classification of air cleanliness in cleanrooms and associated controlled environments in accordance with ISO ”

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18 MET ONE Leader in Airborne Particle Counting ISO Calibration Standard Improved compliance –Removes ambiguity by providing a single internationally recognized standard method for calibration –Harmonization between ISO and GMP guidance Improved unit-to-unit reproducibility –All particle counters are referenced to a “gold” standard Improved counting accuracy –Reduces false alarms in Grade A areas All current Met One particle counters from Hach may be calibrated using ISO at your facility For further information go to: Or

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21 MET ONE Leader in Airborne Particle Counting Intuitive User Interface! Group is a collection of desired sampling parameters New group can be created or existing group can be loaded A location can be added to or removed from a group ‘Settings’ button allows pre- selecting sampling parameters such as sampling time, delay, hold time, count and environmental alarm, etc. Improved group management

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38 MET ONE Leader in Airborne Particle Counting Storage of Partial Data The Storage of Partial Data, enabled by the user, will automatically store aborted samples (manually stopped or due to Flow Error.)

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41 MET ONE Leader in Airborne Particle Counting MET ONE will program your Air Particle Counters

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42 MET ONE Leader in Airborne Particle Counting MET ONE will set-up your Air Particle Counters After programming your new fleet of particle counters – we will hand you your new set of keys to your site specific programming